Titan Railway Services (TITAN) diesel locomotive 7, a General Electric Class 25 T at Pasco, Washington, September 16, 1995. Other Subject Classes: Locomotive-Diesel

Titan Railway Services (TITAN) diesel locomotive 7, a General Electric Class 25 T at Pasco, Washington, 1996. Other Subject Classes: Locomotive-Diesel

Titan Railway Services (TITAN) diesel locomotive 1200, a Class SW1200 at Pasco, Washington, 1995. Other Subject Classes: Locomotive-Diesel

Builder photo of Construction Number 1323 showing right side of 36 inch gauge Tionesta Valley Railway 47 Ton Two Truck Heisler Geared Steam Locomotive Number 18 at Erie, Pennsylvania, April 1916. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Builder photo of Construction Number 1323 showing right side of 36 inch gauge Tionesta Valley Railway 47 Ton Two Truck Heisler Geared Steam Locomotive Number 18 at Erie, Pennsylvania, April 1916 while in the shops of Heisler. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Builders photo of Construction Number 1409 showing right side of 36 inch gauge Tionesta Valley Railway 40 Ton, Two Truck Heisler Geared Steam Locomotive Number 16 at Erie, Pennsylvania, January 1920. This locomotive was used for logging near Sheffield, Pennsylvania. Photograph by Schauble.

Tidewater Southern Railway Alco RS-3 diesel locomotive number 746 parked at Modesto, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive

Tidewater Southern Railway Alco RS-3 diesel locomotive number 746 parked at Modesto, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive

Tidewater Southern Railway Alco RS-3 diesel locomotive number 746 parked at Modesto, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Tidewater Southern Railway Alco RS-3 diesel locomotive number 746 parked at Modesto, California, on June 22, 1974. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive, bay window caboose.

Tidewater Southern Railway Alco S-2 diesel locomotive number 745 parked at Sacramento, California, on August 3, 1973. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, switching locomotive.

Tidewater Southern Railway diesel locomotive 745 an American Locomotive Companies model S2 switcher, circa 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive

Thurston County Railway Baldwin 2-8-2 steam locomotive number 4, backs to couple to a cut of loaded log cars at an unknown log loading area, circa 1948. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, log car.

Thurston County Railway Baldwin 2-8-2 steam locomotive number 4, backs to couple to a cut of loaded log cars at an unknown log loading area, circa 1948. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, logging locomotive, log car.

Three Milwaukee Road diesel locomotives near Boylston, Washington, circa 1971. A MILW General Electric and two Electro Motive Division locomotives leading a westbound train out of the tunnel at Boylston, Washington. The photograph is undated, but was developed in June ,1971.

Three Milwaukee Road diesel locomotives near Boylston, Washington, circa 1971. A Milwaukee Road (MILW) General Electric and two Electro Motive Division locomotives leading a westbound train out of the tunnel at Boylston, Washington. The photograph is undated, but was developed in June, 1971.

Three Calgary Transit light rail cars are stopped for passengers at a covered platform near the St Regis hotel in Calgary, Alberta in August 1990. Photo by J.M. Fredrickson. Other Subject Classes: electric locomotive, light rail

Builder photo of Construction Number 1282 showing right side of Theo. Fathauer Company 23 Ton Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, May 1913. This locomotive was used for logging near Helena, Arkansas. Photograph by Schauble.

Northern Pacific 41.5-foot, open hopper car number 87077 in a yard at Amarillo, Texas, on October 12, 1976. The car is part of the 87000-87499 number series. Photo by GJ Werkema. Other subject classes: frieght car, open hopper car, Rodgers Ballast car

Builder photo of Construction Number 1086 showing left side of The Tyronza and Saint Francis River Railroad 22 Ton Two Truck Heisler Geared Steam Locomotive Number 3 at Erie, Pennsylvania in February 1906. This railroad was controlled by theTyronza Lumber Company and was used in logging at Earle, Arkansas. One of the early Heislers equipped with a water tank over the boiler. Photograph by Schauble.

The tender of Northern Pacific 2152 stored awaitng restoration at Northern Pacific Railway Museum in Topenish, Washington on October 21, 2008. Photo by GJ Werkema. Other subject classes: Locomotive-tender.

The eastbound Olympian Hiawatha departs Cle Elum, Washington in 1961. The eastbound Olympian Hiawatha departs Cle Elum in May, 1961. Note on photographic slide mounting: "Train leaving Cle Elum May 1961 Kids Rode" Probably a Warren Wing photograph. Cascade Rail Foundation, Ainsworth Collection

The eastbound Olympian Hiawatha departs Cle Elum, Washington in 1961. The eastbound Olympian Hiawatha departs Cle Elum in May, 1961. Note on photographic slide mounting: "Train leaving Cle Elum May 1961 Kids Rode" Probably a Warren Wing photograph. Cascade Rail Foundation, Ainsworth Collection

Builder photo of Construction Number 1305 showing right side of 36 inch gauge The Dennis-Simmons Lumber Company 22 Ton Two Truck Heisler Geared Steam Locomotive Number 24 at Erie, Pennsylvania, January 1915. This locomotive was used for logging near Kenley, North Carolina. Photograph by Schauble.

Texas Southern boxcar 508 at Bellingham, Washington in or near the Great Northern yard. Other subject categories: Car-Freight, Car-Box, Freight

Texas and New Orleans boxcar 56927 at Bellingham, Washington on the spur behind Morse Hardware. Other subject categories: Car-Freight, Car-Box, Freight

Texas & Pacific boxcar 82447 at Bellingham, Washington in a train north of Squalicum Creek; Olympic Portland Cement Company dock in background. Other subject categories: Car-Freight, Car-Box, Freight

Tennessee, Alabama and Georgia Railway Steam Locomotive Number 322, Class F-11, undated.

Builder photo of Construction Number 1492 showing right side of Tendal Lumber Company 24 Ton, Two Truck Heisler Geared Steam Locomotive Number 1 at Erie, Pennsylvania, July 1923. This locomotive was used for logging near Waverly, Louisiana. Photograph by Schauble.